[INFO] cloning repository https://github.com/HUST-OS/rustsbi-qemu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HUST-OS/rustsbi-qemu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHUST-OS%2Frustsbi-qemu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHUST-OS%2Frustsbi-qemu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d71bfb7b3ad8e36f06f92c2ffe2066bbb0f9254
[INFO] testing HUST-OS/rustsbi-qemu against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHUST-OS%2Frustsbi-qemu" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HUST-OS/rustsbi-qemu on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/HUST-OS/rustsbi-qemu
[INFO] finished tweaking git repo https://github.com/HUST-OS/rustsbi-qemu
[INFO] tweaked toml for git repo https://github.com/HUST-OS/rustsbi-qemu written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/HUST-OS/rustsbi-qemu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e96677fe1770cf35196a7a3c80b0471c5a0c88dee63bb9249380e4c2c638c5ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e96677fe1770cf35196a7a3c80b0471c5a0c88dee63bb9249380e4c2c638c5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e96677fe1770cf35196a7a3c80b0471c5a0c88dee63bb9249380e4c2c638c5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96677fe1770cf35196a7a3c80b0471c5a0c88dee63bb9249380e4c2c638c5ab", kill_on_drop: false }`
[INFO] [stdout] e96677fe1770cf35196a7a3c80b0471c5a0c88dee63bb9249380e4c2c638c5ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dcf128b9b4cdc2bb5e36389a19e3fa6d6a58eee88cfa8f3716d230d318eee151
[INFO] running `Command { std: "docker" "start" "-a" "dcf128b9b4cdc2bb5e36389a19e3fa6d6a58eee88cfa8f3716d230d318eee151", kill_on_drop: false }`
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling xtask v0.1.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.06s
[INFO] running `Command { std: "docker" "inspect" "dcf128b9b4cdc2bb5e36389a19e3fa6d6a58eee88cfa8f3716d230d318eee151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf128b9b4cdc2bb5e36389a19e3fa6d6a58eee88cfa8f3716d230d318eee151", kill_on_drop: false }`
[INFO] [stdout] dcf128b9b4cdc2bb5e36389a19e3fa6d6a58eee88cfa8f3716d230d318eee151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eac8f3ef0fc7017736d6bdea9a9c8c261b521fd188978a6288c4d4b80ff20408
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eac8f3ef0fc7017736d6bdea9a9c8c261b521fd188978a6288c4d4b80ff20408", kill_on_drop: false }`
[INFO] [stderr]    Compiling xtask v0.1.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "eac8f3ef0fc7017736d6bdea9a9c8c261b521fd188978a6288c4d4b80ff20408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac8f3ef0fc7017736d6bdea9a9c8c261b521fd188978a6288c4d4b80ff20408", kill_on_drop: false }`
[INFO] [stdout] eac8f3ef0fc7017736d6bdea9a9c8c261b521fd188978a6288c4d4b80ff20408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 11832b77820b74a23872247688c5bf988ad93c671f33ac0bcb029e5f7ebc5097
[INFO] running `Command { std: "docker" "start" "-a" "11832b77820b74a23872247688c5bf988ad93c671f33ac0bcb029e5f7ebc5097", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xtask-5410ee4afe8787ed)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling spin v0.7.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rustsbi-qemu v0.0.2 (/opt/rustwide/workdir/rustsbi-qemu)
[INFO] [stderr]    Compiling device_tree v1.0.3 (https://github.com/rcore-os/device_tree-rs/#b89dffc9)
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `riscv64imac-unknown-none-elf` target may not be installed
[INFO] [stderr]   = help: consider downloading the target with `rustup target add riscv64imac-unknown-none-elf`
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `device_tree` due to previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: test failed, to rerun pass '--bin xtask'
[INFO] running `Command { std: "docker" "inspect" "11832b77820b74a23872247688c5bf988ad93c671f33ac0bcb029e5f7ebc5097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11832b77820b74a23872247688c5bf988ad93c671f33ac0bcb029e5f7ebc5097", kill_on_drop: false }`
[INFO] [stdout] 11832b77820b74a23872247688c5bf988ad93c671f33ac0bcb029e5f7ebc5097